Tapered Roller Bearings - TS (Tapered Single) Imperial Timken EE991201 - 992550

Описание

This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft. Specifications Series 990000 Cone Part Number EE991201 Cup Part Number 992550 Design Unit Inch Cage Material Pin-Type Dimensions d - Bore 12 in D - Cup Outer Diameter 25.5000 in B - Cone Width 4.7500 in C - Cup Width 3.5000 in T - Bearing Width 5.5000 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.530 in r - Cup Backface "To Clear" Radius2 0.530 in da - Cone Frontface Backing Diameter 14.17 in db - Cone Backface Backing Diameter 15.12 in Da - Cup Frontface Backing Diameter 23.39 in Db - Cup Backface Backing Diameter 21.50 in Ab - Cage-Cone Frontface Clearance 0.92 in Aa - Cage-Cone Backface Clearance 1.01 in a - Effective Center Location3 2.17 in Basic Load Ratings C90 - Dynamic Radial Rating (90 million revolutions)4 137000 lbf C1 - Dynamic Radial Rating (1 million revolutions)5 528000 lbf C0 - Static Radial Rating 790000 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)6 203000 lbf Factors K - Factor7 0.67 e - ISO Factor8 0.87 Y - ISO Factor9 0.69 G1 - Heat Generation Factor (Roller-Raceway) 2353.6 G2 - Heat Generation Factor (Rib-Roller End) 161.7 Cg - Geometry Factor10 0.23